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Free 4A0-C02 Exam Braindumps
Nokia SRA Composite Questions 26–30 (page: 7)

Updated On: 9-Feb-2026
Page 7 of 17
PDF with 603 Questions

Which of the following statements about the configuration of an inter-AS model C VPRN is FALSE?

  1. MP-iBGP sessions must be configured between the PE routers in each AS.
  2. LDP must be configured in each AS.
  3. MP-eBGP sessions must be configured between the ASBRs.
  4. The ASBRs must be configured with “enable-inter-as-vpn”.

Answer(s): D



Which of the following statements about inter-AS model B VPRN is FALSE?

  1. Model B does not require the configuration of VPRN instances on the ASBRs.
  2. The ASBRs exchange data packets that are encapsulated with a transport label and a service label.
  3. The route target advertised in one AS is maintained and used in the remote AS.
  4. The CLI command “configure router bgp enable-inter-as-vpn” is required on the ASBRs.

Answer(s): B



What operation does a P device perform when it receives a labeled packet for a VPRN service?

  1. It forwards the packet based on the label signaled by MP-BGP.
  2. It decrements the TTL and forwards the packet based on the inner label.
  3. It swaps the outer label then forwards the packet.
  4. The P router does not perform any operations on labeled packets.

Answer(s): C



Which of the following statements about the Inter-AS model A VPRN is TRUE?

  1. It is the most scalable of the Inter-AS models.
  2. VRF configuration is not required on the ASBRs.
  3. Most routers that support VPRN functionality do not support model A by default.
  4. It is not necessary to run MPLS at the boundary between autonomous systems.

Answer(s): D



You are configuring a VPLS spoke termination to a VPRN on a Nokia 7750 SR. The spoke SDP is running over a NULL encapsulated network port. The best practice is to set the VPRN interface “ip-mtu” equal to what value?

  1. The SDP path MTU minus 14
  2. The LMTU found in ‘show router ldp bindings’ on the VPLS side of the spoke SDP
  3. The configured service-mtu of the VPLS service
  4. The LMTU found in ‘show router ldp bindings’ on the VPLS side of the spoke SDP minus 14
  5. The SPD path MTU

Answer(s): B



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